Machine for making glass stoppers and the like



April 18, 1933. J. E. COLLINS 1,904,977

MACHINE FOR MAKING GLASS STOPPERS AND THE LIKE Filed Oct. 1, 1930 4 Sheets-Sheet l April 18, 1933. J. E. COLLINS MACHINE FOR MAKING GLASS STOPPERS AND THE LIKE Filed Oct. 1, 1930 4 Sheets-Sheet 2 "'lllllll gwuento'c f? (Lead A ril 18, 1933. J. E. COLLINS 1,904,977

MACHINE FOR MAKING GLASS STOPPERS AND THE LIKE Filed Oct. 1, 1930 4 Sheets-Sheet 3 40 1/ a1 48 41 .38 W I as I J 37 I 1 2 "I11 #1 a 9 4 6 14 E r 65 1 70s II- 34 T -42 i April 18, 3 J. E. COLLINS 1,904,977

MACHINE FOR MAKING GLASS STOPPERS AND THE LIKE 4 Shets-Sheet 4 Filed Oct. 1, 1930 u Ill" Patented Apr. 18, 1933 f umlrEu is rafiss E T OFF CE" JOHN E. COLLINS, orApron.innruoisflnssienon To: ownNs- LIiIo s GIL'VASS".

ooiarauv.neonronmrou oromo v m mncnmulron vmxmeetnss srorraas ANDLTHE L nn My invention relates to machines for molding bottle stoppers on other glass articles.

An object of the'invention is to provide a suction gathering machine with which a large 5 number of glass stoppers or similar articles may be simultaneously formed in a block mold, thereby obtaining a large output'from themachine.

' Other objects of .the invention-will appear hereinafter. 1

In the accompanying drawings:

Fig. 1 is a fragmentary sectional side elevation of a machine embodying the present invention. 1 Fig. 2 is a plan View of an ejectordevice for ejecting the articles from the mold.

Fig. 3 is a front elevation showing one head or unit of the machine. 1 i i Fig. 4 is a sectional elevation on a larger scale of the mold and associated parts. a

Fig. 5 is a sectional plan taken at the line V-V on Fig.4.- f

Figs. 6 and'7 are sectional views similar to Fig. 4,showing the relative positionof parts at diflere'nt stages during a cycle of operati0ns. i f

Fig. 8 is a fragmentary plan view, partly in section, showing the lowermold plate and means for sweeping themolded articles off said plate. .f I I 4 Referring particularly to Fig. 1, the inven. tion is herein-illustrated as'adapted toan Owens type of suction gathering machine. This machine comprises amold carriage 10 which'may be rotated continuously about: a central stationary column 11, by fanys'uit'able mechanism including a ring gear 12- on the carriage. An annular series of unitsmay be mounted on the carriage, each comprising a dip head frame 13 carrying. a diphead 14. The means for movingsaid head up and down on the mold carriage comprises astationary cam15 on which runsa roll 16. having operating connections 17 with abell crank 18, con-; nected through a link 19 to the frame13'. VA plunger 20 supported on the frame13is move able up and down relative to said frame by mechanism includinga stationarycam 21 on which runs a roll 22 carried by ajslide 23connectedthrough a rod 24 to asegmental rack 1 Application filedocitoberfl, 1930. 'Serial no. 485,589.

gear 25 pivotedat 26"on the frame 13- and running in mesh with gear teeth 27 formed on the plunger 20. a i

. The dip head 14, as shown in Fig. 4, comprises an annular supporting member 28 carried by arms 29 on the dip frame: The mold, which is located below the member 28, comprises a lower body moldor block 30 formed with a multiplicity of body mold cavities'31, and an upper head mold or block'32 formed at with head mold cavities 33complemental to the mold cavities v31. Extending circumfep entially of the mold block 30 are flange members 34 and, 35 which together form an annular wallrising from the plate 30 and provid{ {:5 ing a housing for theupper mold block 32. The member 34 is secured tothemold block 30 by screws 36 and is secured to the member- 28 by screws 37, therebyrig-idly connecting the mold block 30 with the supportingmem- 76 ber 28. The walls 34 and 35 havea tongue and groove connection with both themember 28 and themold block 30, thus providing a substantially air tightconstruction. f

A vacuum head 38seated on the support- Q5 ing member. 28'is formediwith :a vacuum chamber 39'which opens intoa vacuum pipe 40 through which the air. is intermittently exhausted from the/vacuum"chamber,,asis I customary in Owens typemachines,.for ex. go hausting air from the gathering molds; The vacuum'chamb'er 39 has-communication through passageways 41 with a chamber 42 in which the mold block 32 islocated. The lower face of'theupp'er mold blockis slight- Q5 1y. recessed, so'that when seated on the lower mold block 30 a space 43 is formed through which the air is exhausted from the mold cavities. The space' 43' may, communicate through narrow. channels44 liig..-5) with the chamber 42. i I 1 The upper mold block is movable up and down within the dip head by means-including a stem 45, the lower end of which is threaded into a connector 46 attached to the mold block 32 means ofa" pivot'pin 47 The stem 45"extends freely through a cap 7 48 whichis adapted to seat on the upper face-of the vacuum head 38." The cap-'48 is formed with a' vertical.extension 49which i tends upward into the, cap extension 52 and downward from the cap 48 is an integral tubular extension 52.

fits inithe enlargedend 50 of the rod .20 and is secured therein by a ring 51. Projecting A hollow member or head 53 formed with ahollow stem .54 exh as asteles'c'oping'connection therewith.- The head 53 is connected to move up and down h, th e ap 48 y'm a Qfaeon ectin 'scre w' 55 threaded-into the Samar and projectinginto an elongatedslottormed in the extension 52. The latter provides ahousing the stem 45 from the Fig. 4 position togthe V Fig. 6 position, the. upward movement of the cap independently of said stem being limited, by a head57' attached to the'upper end ofithe stem. .Move'ment otthe cap 48 upwardffrom the gFig. '6 to. the Fig. position, lifts the upper, mol'd block 32" away from theilower mold block to permit the dis I charge. of the. molded articlesQuThe upper mold blo'ck'is formed witha cylindrical ejxtension 58 'which engages the inner faceiof thesupporti'ng member '28 and thereby guides the mold block in its 'upandd'own InOVementsFWhenthe cap"48;is seated-on the vacuum head, the head'8 is seatedxmthe mold block 32 under. the compression of the spring. 56,. thus forming "a substantially air tight seal which prevents 'theescapeof air from the lvacfuufrn chamber through the "in terior-of the ca'p 48. V

' The sectijon35 oif themold housing removably mounted on anarm 59', which arm V V 49 isformed with'a semi-annularrecess 60 (Fig.

8-)'j toreceive the part '35, latter" formed with a flange'fil to seat on: the-arm; lug

4). extends upward within a correspond-ingv opening formed in the section 35" for removabl-y holding the latter in position.

7 The arm;59 ismounted to i swing about a verticalhinge' pin. 63 (Fig. 1)?under the'control of a cam'64. oam' roll 65runningon said cam has toperating connectlons, including =a rod 66, witha' pair of'leve'rarms 67an'd 68",

said 'lever arms in turnbeing connected through alink69'tothe armi59'. 1

I iv "the uppers mold block betw en the-latter and" A'rri-ng bandir70. attached to themember35 servesas; a wiper for '-wiping the'stoppers or i ther inolded Manages. the mold block, as hereinafter described: Whentheimold 'is in Closed: positiomtheband 7 0 extends around disk 1171:""on which 7 are mounted L ejector; pins '72 '9Qrres pondingin position andnumber to *theimold cavities 81. "Theejector disk-ifs attached: asby. means of-a bolt 7 3 to enema by :its- "cam:77 .soathat the e the combination? of a mold or jiAnejector. r01 dislodging the moldedar ti'elesqfromf the'mold cavities com rises. a cavity and thereby ejectin'g the fmdlde 75. The arm 74 carrier'a roll/76' running on a stationary cam track 77 shaped to impart g0 the desired up and down movements to, said arm.. Molten glass is supplied to theimolds from. the'usual irevol'ving tank 7801 other container inwhich is'a supply body 79 of i 7 "'As the-m 1d carriage rotates, the dip moltens as' Theo'peration'is-as follows:

heads 14 are brought'in succession to a i gathering 'p osition over the tank 78 While the ej ectorv7l travelsbeneath the tank. ,When

' the dip head is'over the tank, the cam operates'to ."lower it and thereby bring the body moldrblock 3O intolsealin'g' contact with the glass inthe tank." The "mold "blocks and associated parts are at this-time in the riela tive posit-ion shownin Fig. "4. Air is now exhausted through the vacuumfspipe 40 so that the glass is drawn 'upward 'i nto and fills the mold cavities-z- The dip headf14risno'w lifted and;a;knife; 80 carried on a vertical 7 rock shaft 81 is operated to shearlac'rossthe 1 bottom of the mold to "the'jopo'sition shown in Fig."6, therbyseveringrthe glass." After the glass is thus severed, the vacuum "is out ofl and the rod is moved upward means of the 'cam 21 operating-through the'link 24 and gear 25. I The-Tod QO: in its upwardmovef'ment. carries with it the-;cap:-4s and the head 53. The mold block 32-.reniains seated-on the lower mold block whilethecap 48 is-mow ing upward to the F igxfi sposition thereby allowing the molded articles 'time forffcooling sufficiently to retain theirfshapeflfitter] I the capi48 reaches'thestopffl,thefrod QQ during its final upward.m ovementfiifts the stem 45:and'upper mold block to the .Fig. posi'e tion. By this time the dip head has passed beyond the ritanik': and the ejector 71T i's-il-ijfted force themoldedr articles upward*'out mold cavities, as shown in Fig. 7 59: is now s'wungbutwar'd me cam 64, drawing the wiper 'ban'd"' 7 0 eat-ass theface'. of th'emold b'l'ockBO and thereby wiping the stoppers; off "the? mold into suitable container:t'not shown).' 4

the spirita nd scope I WVha'tIclaimis: V p or 1-. :Infamachine for formingigl'as ward-1y opening mold *cavitv cans? :for

mold V by suctionfan ejector.""and 'mean 1'3 moving the" ejector upward into, 'theJ-m d" means for driving; the? mold: carriage and w nsy Modifications; may be resorted" t'ofwithin my inwention. 1.1

bring-ingithemold-intofigathe ng elation to V V a? supply body of mol'te 'glass 'and filliifgithe thereby moving the mold over the glass,

means for filling the mold by suction, 'an ejector supported on the mold carriage, and

means for moving the ejector upward beneath the mold and causing it to force the molded article upwardly out of the mold cavity.

3. The combination of a moldcarriage, a mold thereon, a container for molten glass, means for driving the mold carriage and thereby moving the mold over the glass, means for filling the mold by suction, an ejector mounted to travel with the mold carriage and arranged to pass beneath said container, and means to move the ejector upward into the mold cavity for dislodging an article from the mold cavity.

4. In a machine for forming glass articles, the combination of upper and lower mold blocks having complementary mold cavities therein, the mold cavity in the lower block opening downward through said block, means for introducing molten glass by suction through said opening, means for sepa rating the mold blocks by a relative vertical movement, leaving the articles supported in the lower mold block, and means for ejecting the article from the mold.

5. In a machine for forming glass articles,

the combination of upper and lower mold blocks having complementary mold cavities therein, the mold cavity in the lower block opening downward through said block, means for introducing molten glass by suction through said opening, means for withdrawing the upper mold block'and leaving the article supported in the lower mold block.

6. In a machine for forming glass articles, the combination of a mold having a mold cavity therein, means forming with the mold an enclosed chamber having communication with the mold cavity, means for bringing the mold into operative relation to a supply body of molten glass, means for exhausting air from said chamber and the'mold cavity and thereby filling the mold cavity with glass, and means for ejecting the molded article from the mold cavity into said chamber.

7. The combination of amold block having opposite flat faces and a multiplicity of mold cavities extending therethrough from one said face to the other, a cooperating mold block havingmold cavities complementary to and in register with the first mentioned cavities, means for introducing charges of glass by suction into the mold cavities while the mold blocks are together, means for severing the glass at one of said faces during said registration of the mold cavities, means for separating said blocks, and means for ejecting the formed articles.

8. The combination of a mold block having a plurality of mold cavities. therein, means for forming glass articles in said cavities, means for ejecting the articles from the and having complementary mold cavities ymold cavitiesland leaving. them supported on the upper face of the mold block, a'wiper having mold-cavities therein,'an upper mold block arranged to seat on the lowerfblock therein, means for introducing glass into the mold cavities. and. for'mingglass I articles therein, a. wiper'surrounding the upper mold block, means for lifting the upper mold block, means for dislodging the articles from the mold cavities, and means for moving said 71;.

wiper laterally and thereby sweepingthe articles from the lower mold block.

i 10. The combination ofasuctiongather- 'ingmold, meanslcooperating therewith to form avacuum chamber, and means for transferring'anarticle formed 1n the mold from .the mold cavity into a portion of said chamber ez zterior to themold cavity. V

11. Thecombination of a mold block having mold cavities therein opening downwardly through saidblock, means providing a wallsurrounding and rising from said block, means cooperating with said wall for form ing a vacuum chamber, means for exhausting the air from said chamber and the moldcavijties for filling the mold; cavities with molten glass by suction, means for moving a the formed articles from the cavities into said chamber, and means for removing the ar ticles from said chamber.

12. The combination of the lower mold block having a multiplicity of mold cavities extending therethrough, an upper cooperating mold block having mold cavities complementary to and in register. with the first mentioned cavities, means providing a vacuum chamber in which the upper mold block is located, means for exhausting the air from said chamber and introducing molten glass separating the mold blocks, means for ejecting the molded articles from the mold cavities into said chamber between the mold blocks, and means for removing the articles from said chamber.

13. The combination of a mold having ai charge receiving opening and a discharge opening at opposite ends thereof, means for introducing a charge of glass by suction into the mold through said charge receiving openacross said charge receiving opening for seving, a cutter, means formoving the cutter I ering the glass, an ejector,a'nd means for moving the ejector into said charge receiving opening and ejecting the article from the mold through said discharge opening.

14. Ina machine for forming glass articles, the combination of a mold block having a multiplicity of mold cavities formed in and extending through said block from one face by suction into the mold cavities, means for @11 opposite face of themold-block.

1 5. In combination, a stopper "forming v a unit including a horizontally disposed mold block in which finished-stoppers are supported preparatory to their removal from the unit, stopper removing mechanism including means for lifting and pushing the stoppers,

andm'eans for actuating said mechanism and thereby causing the stoppers to; be first lifted vertically and then pushed laterally from the 'mold block." j

16. In a machine 'for forming glass arti- "c'le s, the combination of upper and lower mold blocks having complementary mold cavities therein, the mold cavity in the lower -block opening downward through said block, means for introducing molten glass by suction through said opening, means for separating the mold blocks by a relative vertical movement, leaving the article supportedin the lower mold "block, rand mechanism' for ejecting the article from the mold comprising means for lifting'the article relative to the lovvermold block, and means for'then push-V 'ing it laterally from'the mold'block.

l Signed-at Altoinlllinois, this 26th day of September 1930. f r y JOHN E. COLLINS.

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